Answer to Question #52262 in Physics for vi

Question

A 28 horse power (hp) electric motor draws a current of 16 A when connected to the mains. Calculate the voltage requirement to drive the motor (1 hp = 746 W)
1.3kV
2.1kV
3.3kV
1.7kV
12 Which of these is a suitable rating for domestic power cable?
1.5 mm squared
2.5 mm squared
4.1 6mm squared
1.5 mm squared
13 Which of these is NOT applicable?
The rating of flex must be equal to fuse protecting it
The rating of flex must be less than the fuse protecting it
The rating of flex must be greater than the fuse protecting it
None of the above
14 the rating of a cable in terms of its cross-sectional area is an expression of its ---------------
current-carrying capacity
ductility
eletrical insulating capacity
earthing capacity
15 Which of these is the correct colour code for flexes?
green for live
red for neutral
black for earth
red for live